13 signs of alien life

More than 40,000 Americans have taken out insurance against being abducted by aliens.

“I don’t know much, but I do know for sure I lost my virginity to an extraterrestrial woman”

David Huggins

Huggins, who is actually married, says he has fathered several half-alien offspring to date – although it's unclear whether he pays child maintenance towards them.

He said: "I just lay down on the ground and she got on top of me. I have no idea why me. I just don’t know.

"I don’t know much, but I do know for sure I lost my virginity to an extraterrestrial woman."

But Huggins isn't the only person to claim they've gotten physical with a Martian.

Notable People That Have Seen UFOs or Know of Their Existence

According to these celebrities, aliens and UFOs are among us.

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William Shatner: is a UFO believer, saying, 'There is no doubt that there is life out there; the mathematics of it lead you to that absolute conclusion. In my mind, there is no doubt that the universe teems - with life in all its form'

Nigel Watson, author of "The Haynes UFO Investigations Manual" said: "David’s experiences are very detailed, and his works of art show they have had a powerful influence on him throughout his life.

"Yet, he is not the only one to claim such experiences, which haunt people from childhood onwards. In his book 'Communion', Whitley Strieber famously described being abducted by aliens who inserted a 1ft-long anal probe inside him. It seemed to be a living entity, so when it was taken out he was surprised to see it was a mechanical device.

"Many of these type of cases came to light in the 1960s but were largely ignored by ufologists, who just wanted to prove that UFOs were robot craft from outer space. Alien encounters and abductions only began being seriously considered and researched in the 1970s."